Event between 00CG105 and star GA0880:03814208 with event index number of 1031308
Geocentric closest approach at 2021/01/07 15:31:30 UTC
J2000 position of star is 10:13:34.3 -00:28:23
Equinox of date position of star is 10:14:38.6 -00:34:39
Stellar brightness G=14.0,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 60 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=23.3
TNO is 47.2 AU from the Sun
and 46.6 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
1689 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=304.8 km assuming a 5% albedo -- 17.5 sec chord
Diameter=124.4 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 00CG105, (2021/01/07 15:31UT) Object RA Dec mag sep mel Regulus 10:09:29.4 +11:51:49 1.3 12.51 64 15Alp Sex 10:09:00.8 -00:28:31 4.4 1.41 61 PPM 178111 10:13:19.1 -01:21:55 8.4 0.85 60 PPM 178120 10:15:16.3 -00:39:27 9.8 0.18 60 PPM 178112 10:14:07.0 -00:39:14 10.2 0.15 60 00CG105 10:14:38.8 -00:34:40 14.0 60 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 00CG105, (2021/01/07 15:31UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 12.51 64 15Alp Sex 10:07:56.2 -00:22:19 4.4 1.41 61 PPM 178111 10:12:14.7 -01:15:39 8.4 0.85 60 PPM 178120 10:14:11.8 -00:33:09 9.8 0.18 60 PPM 178112 10:13:02.5 -00:32:57 10.2 0.15 60 00CG105 10:13:34.3 -00:28:23 14.0 60 Positions are for J2000
Event circumstances last updated at 2020/12/12 21:04:55 UT
Marc W. Buie, Southwest Research Institute